1SPI_BUSNUM_TO_MASTER(9) Serial Peripheral Interface (S SPI_BUSNUM_TO_MASTER(9)
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6 spi_busnum_to_master - look up master associated with bus_num
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9 struct spi_master * spi_busnum_to_master(u16 bus_num);
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12 bus_num
13 the masterĀ“s bus number
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16 can sleep
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19 This call may be used with devices that are registered after arch init
20 time. It returns a refcounted pointer to the relevant spi_master (which
21 the caller must release), or NULL if there is no such master
22 registered.
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25Kernel Hackers Manual 2.6. June 2019 SPI_BUSNUM_TO_MASTER(9)